Home / 700,206.31-966,376.79-394,342.48

Finding the Fourth Proportional to 700,206.31, 966,376.79 and 394,342.48

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Solution

The fourth proportional to 700,206.31, 966,376.79 and 394,342.48 is: 544,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,206.31 : 966,376.79 = 394,342.48 : x
  2. Step 2: Convert to fraction form
    700,206.31/966,376.79 = 394,342.48/x
  3. Step 3: Cross multiply
    700,206.31x = 966,376.79 × 394,342.48
  4. Step 4: Simplify right side
    700,206.31x = 381,083,419,219.30
  5. Step 5: Solve for x
    x = 381,083,419,219.30/700,206.31
  6. Step 6: Final answer
    x = 544,244.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.